Osmium has a density of 22.6 g/cm3. The mass of a block of osmium that measures 1.02 cm ´ 0.233 cm ´ 0.648 cm is ____ g.  (Type your numerical answer below.  Do not type the units.  Round your answer to correct sig figs)

Aluminum reacts with chlorine gas:    2Al + 3Cl₂ → 2AlCl₃ If 5.40 g Al reacts with 10.0 g Cl₂, determine: The correct limiting reactant ( 2pts) The theoretical yield of AlCl₃ (in moles) ( 1pts) The theoretical yield of AlCl3 ( in grams) (2pts) Explain in 2–3 complete sentences why the limiting reactant determines the theoretical yield of the product. (2pts)   Molar masses:Al = 26.98 g/molCl₂ = 70.90 g/molAlCl₃ = 133.34 g/mol Your handwritten work must include: Your full name at the top of the page. The balanced chemical equation. All conversions from grams to moles. Mole-to-mole conversion using the balanced equation. Identification of the limiting reactant with supporting calculations. Calculation of the theoretical yield with units and correct significant figures. A 2–3 sentence explanation describing why the limiting reactant controls the maximum amount of product that can be formed. Your final answers clearly boxed or circled.

A solution has a pH of 3.25. Calculate: The pOH of the solution. ( 2pts) The hydrogen ion concentration, [H⁺], in mol/L. (2pts) Is the solution acidic or basic? (1pt) Explain in 2–3 complete sentences how pH, pOH, and hydrogen ion concentration are related. (2pts) Your handwritten work must include: Your full name at the top of the page. The formulas used to solve the problem. All substitutions with numbers and units. All calculations shown step by step. The correct significant figures. Your final answers clearly boxed or circled. A 2–3 sentence explanation describing the relationship between pH, pOH, and [H⁺].

When an animal learns that a particular stimulus occurs just prior to another event, what process has occurred?

The type of memory that can hold unlimited amounts of information indefinitely is __________ memory.

Animals with large body volumes generate __________ animals with small body volumes.

The James-Lange theory of emotion says that we experience

The facial feedback hypothesis suggests that

The process that occurs following a strong stimulus, when the responses to subsequent stimuli are increased, is called

PNS 13). Match the following cranial nerve with its appropriate function: Vagus nerve (X).